Step-by-step explanation:
Plus,Minus,Times and divide
+,-,×,÷
My guess would probably be A = 21
Answer:
a
Step-by-step explanation:
Step-by-step explanation:
(2x + 45)° and x° are supplmentary angles.
(Sum of angles on a straight line = 180°)
Hence 2x + 45 + x = 180, 3x = 135, x = 45.
Hi I can help you please explain what you need help with like simplifying it or finding the degree what?